D 350 Pickup L6-359 5.9L DSL (1989)
Removing Vacuum Pump Housing From P/S Pump
4. Remove nuts attaching vacuum pump housing to steering pump mounting studs. Slide housing off studs and steering pump.
Removing/Installing Pump Push Rods
5. Remove pump push rods.
6. Mark position of vacuum pumps on housing for assembly reference.
Removing Vacuum Pumps From Housing
7. Remove nuts/bolts attaching vacuum pumps to housing and remove both pumps.